Csimsoft.Trelis.Pro.v16.0 Some companies need the tools to generate meshes for both FEA and CFD analysis. Trelis Pro contains all the features of Trelis FEA and Trelis CFD in one package. In addition to the standard features available in Trelis, the Pro version includes: FEA materials and boundary conditions CFD media and boundary conditions Boundary layer creation Import and export formats for both FEA and CFD